A joint US Navy and NSA report, prepared three months after a US spy plane was forced to crash land in China, assesses the degree to which surveillance secrets were compromised: see the Intercept article Burn After Reading: Snowden Documents Reveal Scope of Secrets Exposed to China in 2001 Spy Plane Incident, 10 April 2017. […]

TOP SECRET//COMINT//NOFORN//X1
EP-3E Collision:
Cryptologic Damage Assessment
and Incident Review
Final Report
Prepared by the
EP-3 Cryptologic Assessment Team
July 2001
Classifie...